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1940
The American Society for Testing Materials has denned petroleum grease in the Standard Definitions of Terms Relating to Petroleum (A.S.T.M. Designation: D 288-39) as follows: “A semisolid or solid combination of a petroleum product and a soap or a mixture of soaps, with or without fillers, suitable for certain types of lubrication.” The scope of this ...
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The American Society for Testing Materials has denned petroleum grease in the Standard Definitions of Terms Relating to Petroleum (A.S.T.M. Designation: D 288-39) as follows: “A semisolid or solid combination of a petroleum product and a soap or a mixture of soaps, with or without fillers, suitable for certain types of lubrication.” The scope of this ...
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Understanding grease lubrication
1996Grease lubrication remains a scientifically neglected area of tribology as, in contrast, to fluid film lubrication there has been little progress in our understanding in recent years. At present we know little of the mechanisms of film formation, and loss, and the nature of the separating film formed. There is no satisfactory model for greases and thus
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